From bestselling author Kiran Millwood Hargrave and acclaimed illustrator Tom de Freston comes an extraordinary story about family, friendship and hope. Illustrated throughout in black, white and yellow, this stunning book is perfect for 9+ fans of David Almond, Sally Gardner and Frances Hardinge. 'Stunning' Cressida Cowell 'A book to treasure!' Jacqueline Wilson 'A classic from cover to cover' Eoin Colfer 'A rich, immersive and wondrous journey' Sophie Anderson A remote island. A stormy summer. And an adventure as big as the Great Greenland shark ... My name is Julia. This is the story of the summer I spent living in a lighthouse. The summer I almost lost my mum, and found a shark older than trees. Don't worry though, that doesn't spoil the ending ... Julia has followed her mum and dad to live on a remote island for the summer - her dad, for work; her mother, on a determined mission to find the elusive Greenland shark. But when her mother's obsession threatens to submerge them all, Julia finds herself on an adventure with dark depths and a lighthouse full of hope... A beautiful and uplifting story about a mother, a daughter, and love - with timely themes of the importance of science and the environment.